Flow price: --
81fc8c5f6edcc6cfd8b14b73845cdac9dbd0728d2b8be3cffe0ff5f125399967

Transaction

Hash: 81fc8c5f6edcc6cfd8b14b73845cdac9dbd0728d2b8be3cffe0ff5f125399967
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 81fc8c5f6edcc6cfd8b14b73845cdac9dbd0728d2b8be3cffe0ff5f125399967:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
81fc8c5f6edcc6cfd8b14b73845cdac9dbd0728d2b8be3cffe0ff5f125399967
Status:
ERROR
Block height:
40170395
Block id:
212f71a6f6f9c601c1791437821fc6ed1b62bca2eac174c654d75d7b9d08b8e5
Timestamp:
Wednesday 2 November 2022 at 14:30:05 UTC
()
Proposer:
Authorizers:
Gas used:
48